title: Reply to Dr. Selinger et al.'s letter.
authors.affiliation: Department of Gastroenterology and Alimentary Tract Surgery, Tampere University Hospital, Tampere, Finland. Electronic address: pia.manninen@uta.fi.
authors.forename: Pia
authors.initials: P
authors.lastname: Manninen
authors.forename: Pekka
authors.initials: P
authors.lastname: Collin
mesh_terms: D002471:Cell Transformation, Neoplastic / Q000473:pathology*; D015179:Colorectal Neoplasms / Q000453:epidemiology* / Q000473:pathology*; D005260:Female; D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000453:epidemiology* / Q000473:pathology*; D008297:Male